1. found no evidence of urethral discharge, even on Ackermann, A. (1935). Derm. Z., 71, 132.
2. early morning testing, in 6x3 per cent;Allison, G.G.;of his,1943
3. Catterall, R. D. (1960). Brit. med. J., 2, 113.
4. Coutts, W. E., Vargas-Salazar, R., Silva-Inzunza, E., Olmedo, R., Turteltaub, R., and Saavedra, J. (1955). Ibid., 2, 885.
5. among the older age groups in the present series;Feinberg, J.G.;J. clin,1957